Portola WWTP

Portola, CA · Plumas County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.5 MGD

NPDES permit: 3604079865; Effective

Permit expires: May 2029

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Aerated lagoons

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Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 671

Effluent violations: 15

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

Contacts for Portola WWTP are available in the Klarifi platform.

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Names, validated emails and direct phone numbers for decision-makers at Portola WWTP — plus full compliance history and discharge data.

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Nearby wastewater treatment plants in California

Delleker WWTP

Portola · 1 mi away

—

Quincy Community Services District

Quincy · 25 mi away

—

Donner Summit WWTF

Soda Springs · 34 mi away

0.14 MGD

Susanville Sd WWTP

Susanville · 43 mi away

1 MGD

Cascade Shores WWTP

Nevada City · 44 mi away

0.0079 MGD

Nevada City Wastewater Treatment Plant

Nevada City · 47 mi away

0.38 MGD

Lake Wildwood WWTP

Penn Valley · 55 mi away

0.37 MGD

Hammonton Gold Village WWTP

Smartsville · 60 mi away

0.01 MGD

Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated March 2025.

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